From precision and uniformity to colors and patterns, Japan makes some of the very best fireworks in the world. Take a tour of one of Japan's top factories and learn the secrets of making ghost shells in this episode of Passfire The Series.
In a fireworks industry traditionally run by men, there are a growing number of women around the world getting involved with pyrotechnics. Affectionately known as the Boom Boom Girls, they are changing the face of fireworks.